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Batteries and Fuel Cells

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A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
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Electrodeposition01:08

Electrodeposition

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Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
Electrodeposition can...
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Extraction: Advanced Methods00:56

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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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DC Battery01:21

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A conductor needs to be a component of a path that creates a closed loop or full circuit to have a continuous current flowing through it. A current starts to flow if an electric field is created inside an isolated conductor that is not part of a full circuit. The conductor quickly develops a net positive charge at one end and a net negative charge at the other. These charges generate an electric field opposite the direction of the applied electric field, which reduces the current. Eventually,...
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Voltammetry: Stripping Methods01:13

Voltammetry: Stripping Methods

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Anodic Stripping Voltammetry (ASV), Cathodic Stripping Voltammetry (CSV), and Adsorptive Stripping Voltammetry (AdSV) are electrochemical techniques used to determine trace amounts of analytes in solution. These methods involve applying a potential to an electrode and measuring the resulting current.
Anodic Stripping Voltammetry (ASV)
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Detection and Recovery of Palladium, Gold and Cobalt Metals from the Urban Mine Using Novel Sensors/Adsorbents Designated with Nanoscale Wagon-wheel-shaped Pores
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Farming for battery metals.

Philip Nti Nkrumah1, Guillaume Echevarria2, Peter D Erskine1

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The Science of the Total Environment
|February 27, 2022
PubMed
Summary
This summary is machine-generated.

Agromining, a green technology, can sustainably produce high-purity battery metals like nickel, cobalt, and manganese from

Keywords:
AgrominingBatteriesDeveloping countriesElectric vehiclesGreen technologiesMetal crop

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Area of Science:

  • Sustainable resource management
  • Green chemistry and technology
  • Materials science for energy storage

Background:

  • Electric vehicles (EVs) are crucial for climate change mitigation, driving demand for lithium-ion batteries.
  • EV battery production requires significant increases in critical metals like nickel, cobalt, and manganese.
  • Current raw material extraction faces challenges in meeting future purity and volume demands.

Purpose of the Study:

  • To explore agromining as a sustainable and economic source for battery-grade raw materials.
  • To assess the feasibility of using 'metal crops' for extracting critical battery metals.
  • To highlight agromining's potential in producing 'green technologies' from 'green sources'.

Main Methods:

  • Review of agromining principles and applications in metal extraction.
  • Analysis of plant species capable of accumulating nickel, cobalt, and manganese.
  • Evaluation of the potential for producing high-purity metal salts for battery manufacturing.

Main Results:

  • Agromining demonstrates potential for sustainable extraction of nickel, cobalt, and manganese.
  • Farming of nickel, cobalt, and manganese using metal crops is currently achievable.
  • Lithium agromining is underdeveloped but shows future promise.

Conclusions:

  • Agromining offers a viable, eco-friendly alternative for sourcing battery minerals.
  • This approach supports the transition to electric vehicles by providing sustainable raw materials.
  • Agromining aligns with circular economy principles for critical resource management.